Find the surfaces.
Verify the trail.
402 Radar turns bounded public HTTP 402 observations into a deduplicated, digest-addressed catalog. Inspect the free sample, then buy the complete snapshot without signup or an API key.
0.10USDC for the complete snapshot
See the data before paying.
Every row includes the observed URL, method, HTTP status, observation time and a deterministic proof digest. Inclusion is evidence of a public 402 response, not an endorsement.
- Surface
- https://demo-seller-testnet.up.railway.app/hello?name=Moneytest
- Observation
- GET · HTTP 402 · 2026-08-24T18:08:31.891Z
- Proof digest
1f4be275930a8e82ea507d9e502e743af7d94786b6ae907d1a865858b8b68785
- Surface
- https://scout.hugen.tokyo/scout/x402
- Observation
- GET · HTTP 402 · 2026-08-24T17:46:26.295Z
- Proof digest
1e09d077ea38ce9a7f6ffc6e19fc3d13b8f12e3c92c3f31d7267b3cc47004727
- Surface
- https://scout.hugen.tokyo/scout/ph
- Observation
- GET · HTTP 402 · 2026-08-24T17:16:34.100Z
- Proof digest
857fcd11581aba30dfeac01c3f7ee55c9956e850b729b6fa20435b0e64ee4144
Free sample and paid upgrade
curl https://moneytest-x402-api.indierepo.chatgpt.site/v1/402-radar/sample
# Complete snapshot: unpaid request returns HTTP 402
curl -i https://moneytest-x402-api.indierepo.chatgpt.site/v1/x402/radar
# Paid retry: attach PAYMENT-SIGNATURE from an x402 clientReproducible by construction.
The sample and paid snapshot share the same catalog digest. The complete response adds evidence history and reward-linked transaction proofs while excluding credential files, claim tokens and retained response bodies.
Catalog SHA-256: 76e77eae30efdbdc49415c066163fd7226cc19178f4560d4364e75c16b88bddd
Sample SHA-256: f64ed3be0fcf54acfe83353994575eb79b8d6fda876a73c3633486f683f12908
Generated: 2026-08-24T18:13:22.198Z
Sample SHA-256: f64ed3be0fcf54acfe83353994575eb79b8d6fda876a73c3633486f683f12908
Generated: 2026-08-24T18:13:22.198Z
Machine-readable from the first request.
Start free, inspect OpenAPI, or request the full catalog through a standard x402 challenge.